diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9bc87f779..33aa0108d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -85,6 +85,7 @@ jobs:
       uses: docker/setup-buildx-action@v1
     - name: Login to quay.io
       uses: docker/login-action@v1
+      if: ${{ startsWith(github.ref, 'refs/heads/master') }}
       with:
         registry: quay.io
         username: ${{ secrets.QUAY_USERNAME }}